I Was Told There Were 18

Some Corgis were mated with dachsunds (most notably Pipkin, who belonged to Princess Margaret) to create ‘Dorgis’.
At present, The Queen owns four Corgis: Linnet, Monty, Willow and Holly and three Dorgis: Cider, Candy and Vulcan.

Now I am better informed. I notice she allows them to jump up. Encourages them even. I am doing the right thing.